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Related papers: Superimposed RIS-phase Modulation for MIMO Communi…

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To fully exploit the additional dimension brought by reconfigurable intelligent surface (RIS), it is recently suggested by information theory that modulating information upon RIS phases is able to send extra information with increased…

Information Theory · Computer Science 2022-11-22 Jiacheng Yao , Jindan Xu , Wei Xu , Chau Yuen , Xiaohu You

Transmission through reconfigurable intelligent surfaces (RISs), which control the reflection/scattering characteristics of incident waves in a deliberate manner to enhance the signal quality at the receiver, appears as a promising…

Information Theory · Computer Science 2020-01-30 Ertugrul Basar

Reconfigurable intelligent surface (RIS)-empowered communication has emerged as a novel concept for customizing future wireless environments in a cost- and energy-efficient way. However, due to double path loss, existing fully passive RIS…

Information Theory · Computer Science 2022-11-18 Zehra Yigit , Ertugrul Basar , Miaowen Wen , Ibrahim Altunbas

Reconfigurable intelligent surface (RIS) has emerged as a promising technique for future wireless communication networks. How to reliably transmit information in a RIS-based communication system arouses much interest. This paper proposes a…

Signal Processing · Electrical Eng. & Systems 2020-05-15 Shuaishuai Guo , Shuheng Lv , Haixia Zhang , Jia Ye , Peng Zhang

Transmitting data using the phases on reconfigurable intelligent surfaces (RIS) is a promising solution for future energy-efficient communication systems. Recent work showed that a virtual phased massive multiuser…

Signal Processing · Electrical Eng. & Systems 2023-10-26 Wai-Yiu Keung , Hei Victor Cheng , Wing-Kin Ma

Reconfigurable intelligent surface (RIS) is a newly-emerged technology that might fundamentally change how wireless networks are operated. Though extensively studied in recent years, the practical limitations of RIS are often neglected when…

Signal Processing · Electrical Eng. & Systems 2023-12-12 Parisa Ramezani , Yasaman Khorsandmanesh , Emil Björnson

This paper investigates the reconfigurable intelligent surface (RIS) assisted spatial scattering modulation (SSM) scheme for millimeter-wave (mmWave) multiple-input multiple-output (MIMO) systems, in which line-of-sight (LoS) and…

Information Theory · Computer Science 2023-07-28 Xusheng Zhu , Wen Chen , Zhendong Li , Qingqing Wu , Ziheng Zhang , Kunlun Wang , Jun Li

Reconfigurable intelligent surface (RIS) based communications have emerged as a new paradigm. This letter proposes a differential reflecting modulation (DRM) scheme for RIS based communication systems. In DRM, information bits are jointly…

Signal Processing · Electrical Eng. & Systems 2020-11-04 Shuaishuai Guo , Jia Ye , Peng Zhang , Haixia Zhang , Mohamed-Slim Alouini

Reconfigurable intelligent surface (RIS) based reflection modulation has been considered as a promising information delivery mechanism, and has the potential to realize passive information transfer of a RIS without consuming any additional…

Signal Processing · Electrical Eng. & Systems 2022-03-02 Wenjing Yan , Xiaojun Yuan , Xuanyu Cao

Reconfigurable intelligent surface (RIS) is a new paradigm that has great potential to achieve cost-effective, energy-efficient information modulation for wireless transmission, by the ability to change the reflection coefficients of the…

Signal Processing · Electrical Eng. & Systems 2020-07-07 Wankai Tang , Jun Yan Dai , Ming Zheng Chen , Kai-Kit Wong , Xiao Li , Xinsheng Zhao , Shi Jin , Qiang Cheng , Tie Jun Cui

In this paper, we propose a novel transmissive reconfigurable intelligent surface (TRIS) transmitter-enabled spatial modulation (SM) multiple-input multiple-output (MIMO) system. In the transmission phase, a column-wise activation strategy…

Information Theory · Computer Science 2024-03-29 Xusheng Zhu , Qingqing Wu , Wen Chen

The demands for high data rate, reliability, high energy efficiency, high spectral efficiency, and low latency communication have been increasing rapidly. For this reason, communication models that use limited resources in the best way,…

Signal Processing · Electrical Eng. & Systems 2022-11-16 Burak Ahmet Ozden , Erdogan Aydin , Fatih Cogen

In this paper, we consider a reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output communication system with multiple antennas at both the base station (BS) and the user. We plan to maximize the achievable rate…

Information Theory · Computer Science 2024-05-28 Yaqiong Zhao , Jindan Xu , Wei Xu , Kezhi Wang , Xinquan Ye , Chau Yuen , Xiaohu You

This paper investigates the information theoretic limit of a reconfigurable intelligent surface (RIS) aided communication scenario in which the RIS and the transmitter either jointly or independently send information to the receiver. The…

Information Theory · Computer Science 2024-06-18 Hei Victor Cheng , Wei Yu

Reconfigurable intelligent surfaces (RISs) have huge potential to improve spectral and energy efficiency in future wireless systems at a minimal cost. However, early prototype results indicate that deploying hundreds or thousands of…

Signal Processing · Electrical Eng. & Systems 2024-12-12 Eduard E. Bahingayi , Nemanja Stefan Perović , Le-Nam Tran

In next-generation wireless networks, reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output (MIMO) systems are foreseeable to support a large number of antennas at the transceiver as well as a large number of…

Information Theory · Computer Science 2023-01-24 Chang Cai , Xiaojun Yuan , Ying-Jun Angela Zhang

Recent considerations for reconfigurable intelligent surfaces (RISs) assume that RISs can convey information by reflection without the need of transmit radio frequency chains, which, however, is a challenging task. In this paper, we propose…

Information Theory · Computer Science 2020-08-07 Shaoe Lin , Beixiong Zheng , George C. Alexandropoulos , Miaowen Wen , Marco Di Renzo , Fangjiong Chen

Reconfigurable intelligent surfaces (RIS) have been actively researched as a potential technique for future wireless communications, which intelligently ameliorate the signal propagation environment. In the conventional design, each RIS…

Information Theory · Computer Science 2022-03-17 Qingchao Li , Mohammed El-Hajjar , Ibrahim Hemadeh , Arman Shojaeifard , Alain A. M. Mourad , Bruno Clerckx , Lajos Hanzo

Intelligent reflecting surface (IRS) is a revolutionary and low-cost technology for boosting the spectrum and energy efficiencies in future wireless communication network. In order to create controllable multipath transmission in the…

Information Theory · Computer Science 2022-07-12 Rongen Dong , Shaohua Jiang , Xinhai Hua , Yin Teng , Feng Shu , Jiangzhou Wang

Spatial modulation (SM) transmits additional information bits by the selection of antennas. Generalized spatial modulation (GSM), as an advanced type of SM, can be divided into diversity and multiplexing (MUX) schemes according to the…

Information Theory · Computer Science 2024-04-16 Xinghao Guo , Yin Xu , Hanjiang Hong , De Mi , Ruiqi Liu , Dazhi He , Wenjun Zhang , Yi-yan Wu
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